The headquarters of a secretive order is also a beautifully-designed park.

Site of the world's largest nuclear explosion.

Hidden in the back of a disused small town hotel is a dive bar shellacked with over a million pennies.

This Italian foot path winds through the mountains via 52 individual tunnels.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

This hotel is located on the edge of the world's largest salt flat and is made out of the only material around.

Crammed inside this grounded passenger plane is a bar that was once a Communist hang out and is now a ratty relic.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

Gouged in the mountain to make stage coach access easier through the Fremont Pass.

Come for the speed, leave in love with the desert.

This corn maze so big you may want to pack a lunch, and possibly a flaregun.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

This amazingly preserved Gold Rush town is a historian's dream.

"There's nothing there," and other lies the KGB told us.

An abandoned stretch of highway, deteriorating next to the operational one.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Science fiction's grandfather has a fittingly marvelous tomb.

The world's only museum devoted to the wonders of fluorescence.

The tallest stationary dunes on Earth also happen to sing.